Life & fun · alternatives · 2026

24 alternatives to Proofmine

Timestamp & secure your ideas

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1SV
   Seal – Verifiable timestamp for your private ideas▲113

   2022 · docs.planet.ink · its alternatives →

2. 2
   Claimby▲107

   Free legally-valid timestamps for your files, ideas & art.

   2018 · claimby.com · its alternatives →

3. 3
   TimeSeal▲116

   Restoring digital trust, one blockchain timestamp at a time

   2023 · timeseal.com · its alternatives →

4. 4
   Proofree▲373

   Free proof-reading by humans.

   2019 · its alternatives →

5. 5
   Proof.ink▲100

   Proven immutable data stored on the Steem blockchain

   2019 · proof.ink · its alternatives →

6. 6
   Proof Of Time Travel▲87

   Using blockchain to prove time travel

   2018 · its alternatives →

7. 7
   Cert0▲21

   Timestamp your creativity, protect your legacy

   2025 · i.cert0.com · its alternatives →

8. 8
   TimeProof▲5

   Prove it existed. Permanently.

   Jan 2026 · its alternatives →

9. 9
   Proofbox▲3

   Publish inventions to establish prior art. Proofbox uses trusted timestamps and paywall control to support freedom to operate and minimize dissemination.

   Apr 2026 · proofbox.co · its alternatives →

10. 10
    Proofmarked▲154

    Cybersecurity for everyone. Just in time for Black Friday!

    2023 · chromewebstore.google.com · its alternatives →

11. 11
    SBIX Certify▲13

    ✨ Instant legal proof-of-existence for any document.

    Dec 2025 · certify.sbix.io · its alternatives →

12. 12
    ProofMe▲95

    Content review & approval platform for inspired creatives.

    2016 · its alternatives →

13. 13
    Proofly▲7

    Verify originality. Track subscriptions. Stay secure.

    Nov 2025 · proofly.solutions · its alternatives →

14. 14BT
    btproof - trusted timestamping on the Bitcoin blockchain▲75

    Find information, resources and relevant links for btproof.com. This domain may be for sale.

    2013 · btproof.com · its alternatives →

15. 15
    Proofs - AI Agents for Sales Engineering▲71

    Full-stack apps and PoCs in hours, not weeks.

    2025 · its alternatives →

16. 16
    yousaidthat.org▲63

    Prove that you said things before anyone else

    Jun 2026 · yousaidthat.org · its alternatives →

17. 17
    Proof Camera▲3

    Turn everyday photos into timestamped records

    Aug 2026 · play.google.com · its alternatives →

18. 18
    ProofChain AI▲3

    Prove and verify AI-generated assets instantly

    Apr 2026 · ciprian-localpulse.github.io · its alternatives →

19. 19BC
    Bitcoinproof - Create a forgery-proof timestamp for your data▲8

    2013 · vog.github.io · its alternatives →

20. 20
    ProofHub Forms▲74

    ProofHub is the easiest way to create forms.

    2022 · proofhub.com · its alternatives →

21. 21
    VERI▲2

    Cryptographic proof & timestamping of files and interactions

    Mar 2026 · veriroot.org · its alternatives →

22. 22
    Proof of Existence▲6

    Have a document certified in the Bitcoin blockchain

    2015 · proofofexistence.com · its alternatives →

23. 23
    ProofOfAI▲6

    Verifiable Ownership Certificates for AI Creators

    Jan 2026 · its alternatives →

24. 24
    Stampd.io - A document blockchain stamping service▲32

    Use the public blockchains to timestamp your files with indelible proof. Create non-fungible tokens (NFT) in Cardano.

    2015 · stampd.io · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →